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13350731 is a prime number
BaseRepresentation
bin110010111011…
…011101001011
3221010021202112
4302323131023
511404210411
61154052535
7221323262
oct62733513
927107675
1013350731
117599669
12457a14b
1329c5a54
141ab75d9
15128ab8b
hexcbb74b

13350731 has 2 divisors, whose sum is σ = 13350732. Its totient is φ = 13350730.

The previous prime is 13350721. The next prime is 13350737. The reversal of 13350731 is 13705331.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13350731 is a prime.

It is a super-2 number, since 2×133507312 = 356484036468722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13350697 and 13350706.

It is not a weakly prime, because it can be changed into another prime (13350737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6675365 + 6675366.

It is an arithmetic number, because the mean of its divisors is an integer number (6675366).

Almost surely, 213350731 is an apocalyptic number.

13350731 is a deficient number, since it is larger than the sum of its proper divisors (1).

13350731 is an equidigital number, since it uses as much as digits as its factorization.

13350731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 945, while the sum is 23.

The square root of 13350731 is about 3653.8652137155. The cubic root of 13350731 is about 237.2293115471.

The spelling of 13350731 in words is "thirteen million, three hundred fifty thousand, seven hundred thirty-one".